| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | P83-1 Hilat |
| Spacetrack catalog number | 39586 | 14154 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 21 02:55 | 2024 Dec 22 21:56 |
| Time of closest approach (UTC) | 2024 Dec 24 19:46:18.744 |
| Minimum distance | 2.569 km |
| Height difference | 2.439 km |
| Relative speed | 14.428 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 37.9°S, 98.1°E |
| Height | 779 km |
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